Chemically modified hyaluronic acid or salts thereof, and a process for producing thereof
    1.
    发明申请
    Chemically modified hyaluronic acid or salts thereof, and a process for producing thereof 有权
    化学修饰的透明质酸或其盐及其制备方法

    公开(公告)号:US20020143171A1

    公开(公告)日:2002-10-03

    申请号:US10107195

    申请日:2002-03-28

    IPC分类号: C08B037/00

    CPC分类号: C08B37/0072

    摘要: This invention relates to a chemically modified hyaluronic acid and salts thereof, which are obtained by O-acylating, alkoxylating or crosslinking a complex consisting of hyaluronic acid or a salt thereof and a cationic compound in a nonaqueous solvent, and a process for the production thereof. The nonaqueous solvent used in the invention is preferably one or more solvents selected from the group consisting of chloroform, toluene, methylene chloride and heptane.

    摘要翻译: 本发明涉及通过在非水溶剂中由透明质酸或其盐和阳离子化合物组成的络合物O-酰化,烷氧基化或交联而获得的化学修饰的透明质酸及其盐及其制备方法 。 本发明中使用的非水溶剂优选为选自氯仿,甲苯,二氯甲烷和庚烷中的一种或多种溶剂。